Cu4 As8 S6 Cl4

semiconductor

· Cu4 As8 S6 Cl4

Cu4As8S6Cl4 is an experimental mixed-valence semiconductor compound containing copper, arsenic, sulfur, and chlorine. This material belongs to the family of complex sulfide-halide semiconductors and is primarily of research interest rather than established industrial use. The compound's potential lies in photovoltaic and optoelectronic device research, where mixed-anion semiconductors are being explored for bandgap tuning and charge transport properties, though it remains largely confined to academic materials science investigations.

photovoltaic researchoptoelectronic devicesexperimental semiconductorsbandgap engineeringmaterials science researchnon-toxic alternative absorbers

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.443	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2960	eV/atom	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

Cu4 As8 S6 Cl4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control